Renaming docker environment variables.

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.14
+FROM alpine:3.16
 
 WORKDIR /scripts
 

README.md

@@ -24,7 +24,7 @@ The basic command line to run is:
 docker run -d \
     --name easy-haproxy-container \
     -v /var/run/docker.sock:/var/run/docker.sock \
-    -e DISCOVER="swarm|docker|static" \
+    -e EASYHAPROXY_DISCOVER="swarm|docker|static" \
     # + Environment Variables \
     # + ports mapped to the host \
     byjg/easy-haproxy
@@ -35,17 +35,17 @@ The mapping to `/var/run/docker.sock` is necessary to discover the docker contai
 The environment variables will setup the HAProxy.
 
 | Environment Variable     | Description                                                                   |
-|----------------------|-------------------------------------------------------------------------------|
-| DISCOVER             | How `haproxy.cfg` will be created: `static`, `docker` or `swarm`              |
-| LOOKUP_LABEL         | (Optional) The key will search to match resources. Default: `easyhaproxy`.     |
+|--------------------------|-------------------------------------------------------------------------------|
+| EASYHAPROXY_DISCOVER     | How `haproxy.cfg` will be created: `static`, `docker` or `swarm`              |
+| EASYHAPROXY_LABEL_PREFIX | (Optional) The key will search to match resources. Default: `easyhaproxy`.    |
 | HAPROXY_USERNAME         | (Optional) The HAProxy username to the statistics. Default: `admin`           |
 | HAPROXY_PASSWORD         | The HAProxy password to the statistics. If not set disable stats.             |
 | HAPROXY_STATS_PORT       | (Optional) The HAProxy port to the statistics. Default: `1936`                |
-| HAPROXY_CUSTOMERRORS | (Optional) If HAProxy will use custom HTML errors. true/false. Default: false |
+| HAPROXY_CUSTOMERRORS.    | (Optional) If HAProxy will use custom HTML errors. true/false. Default: false |
 
 
 
-The environment variable `DISCOVER` will define where is located your containers (see below more details):
+The environment variable `EASYHAPROXY_DISCOVER` will define where is located your containers (see below more details):
 - docker
 - swarm
 - static
@@ -54,7 +54,7 @@ The environment variable `DISCOVER` will define where is located your containers
 
 Easy HAProxy can discover automatically the container services running in the same network of Docker or in a Docker Swarm cluster. 
 
-### DISCOVER: docker
+### EASYHAPROXY_DISCOVER: docker
 
 This method will use a regular docker installation to discover the containers and configure the HAProxy.
 
@@ -72,7 +72,7 @@ docker run --network easyhaproxy byjg/easyhaproxy
 docker run --network easyhaproxy myimage
 ```
 
-### DISCOVER: swarm
+### EASYHAPROXY_DISCOVER: swarm
 
 This method requires a functional Docker Swarm Cluster. The system will search for the labels in all containers on all
 swarm nodes.
@@ -138,7 +138,6 @@ Used to pass on SSL-termination to a backend:
 
 ```bash
 docker run \
-    -l easyhaproxy.defintions=example \
     -l easyhaproxy.example.mode=tcp \
     -l easyhaproxy.example.health-check=ssl \
     -l easyhaproxy.example.port=443
@@ -155,7 +154,7 @@ docker run \
     -l easyhaproxy.[definition].redirect=www.byjg.com.br--http://byjg.com.br,byjg.com--http://byjg.com.br
 ```
 
-## DISCOVER: static
+## EASYHAPROXY_DISCOVER: static
 
 This method expects a YAML file to setup the `haproxy.cfg`
 

assets/scripts/haproxy-reload.sh

@@ -4,7 +4,7 @@ cd /scripts
 
 RELOAD="true"
 
-if [[ "$DISCOVER" == "static" ]]; then
+if [[ "$EASYHAPROXY_DISCOVER" == "static" ]]; then
     CONTROL_FILE="/etc/haproxy/haproxy.cfg"
     touch ${CONTROL_FILE}
     cp ${CONTROL_FILE} ${CONTROL_FILE}.old
@@ -15,7 +15,7 @@ else
     mv ${CONTROL_FILE} ${CONTROL_FILE}.old
     touch ${CONTROL_FILE}
 
-    if [[ "$DISCOVER" == "docker" ]]; then
+    if [[ "$EASYHAPROXY_DISCOVER" == "docker" ]]; then
         CONTAINERS=$(docker ps -q)
         LABEL_PATH=".Config.Labels"
 

assets/scripts/swarm.py

@@ -16,7 +16,7 @@ if os.getenv("HAPROXY_PASSWORD"):
         "port": os.getenv("HAPROXY_STATS_PORT") if os.getenv("HAPROXY_STATS_PORT") else "1936",
     }
 
-result["lookup_label"] = os.getenv("LOOKUP_LABEL") if os.getenv("LOOKUP_LABEL") else "easyhaproxy"
+result["lookup_label"] = os.getenv("EASYHAPROXY_LABEL_PREFIX") if os.getenv("EASYHAPROXY_LABEL_PREFIX") else "easyhaproxy"
 
 cfg = HaproxyConfigGenerator(result)
 print(cfg.generate(lineList))

examples/docker/docker-compose-changed-label.yml

@@ -12,8 +12,8 @@ services:
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     environment:
-      DISCOVER: docker
-      LOOKUP_LABEL: haproxy
+      EASYHAPROXY_DISCOVER: docker
+      EASYHAPROXY_LABEL_PREFIX: haproxy
       HAPROXY_CUSTOMERRORS: "true"
       HAPROXY_USERNAME: admin
       HAPROXY_PASSWORD: password

examples/docker/docker-compose-multi-containers.yml

@@ -15,7 +15,7 @@ services:
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     environment:
-      DISCOVER: docker
+      EASYHAPROXY_DISCOVER: docker
       HAPROXY_CUSTOMERRORS: "true"
       HAPROXY_USERNAME: admin
       HAPROXY_PASSWORD: password

examples/docker/docker-compose.yml

@@ -12,7 +12,7 @@ services:
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     environment:
-      DISCOVER: docker
+      EASYHAPROXY_DISCOVER: docker
       HAPROXY_CUSTOMERRORS: "true"
       HAPROXY_USERNAME: admin
       HAPROXY_PASSWORD: password

examples/static/docker-compose.yml

@@ -1,3 +1,6 @@
+# To test:
+# curl -k -H "Host: host1.local" https://127.0.0.1/
+
 version: "3"
 
 services:
@@ -8,7 +11,7 @@ services:
       - ./host1.local.pem:/etc/certs/host1.local.pem
       - /var/run/docker.sock:/var/run/docker.sock
     environment:
-      DISCOVER: static
+      EASYHAPROXY_DISCOVER: static
     ports:
       - "80:80/tcp"
       - "443:443/tcp"